block-energy-Digital-watermarking

分析了影响多雷达组网对目标跟踪精度的因素以及与单雷达的差异,提出了定义雷达网目 标定位精度,以及评估多雷达组网后在目标定位精度方面带来增益的方法。推导了雷达网对目标定 位精度和相应评估指标的估计公式。该文方法不要大量的计算机仿真就可以方便地评估2-D、3- D以及混合雷达网的目标定位精度和效能。通过应用实例说明了该文方法的优点和有效性。 (The factors that affect the location accuracy of target tracked by multi-radar are analyzed.The method to define target location accuracy and the metrics to evaluate the accuracy improvement efficiency of a radar net- work are presented.The analytical expressions are developed to estimate the target location accuracy and the effi- ciency metricsof a radar network.The presented method is convenient to evaluate the target location accuracy and the efficiency of 2-D,3-D as well as the heterogeneous radar network instead of the tedious computer simula- tions.The advantages and the validity of the method are demonstrated by an application. )

1、 从网上下载人脸图像，构建人脸训练数据库和测试数据库，采用K-L变换进行特征脸提取，并实现人脸识别。通过K-L变换在人脸识别中的应用，加深对所学内容的理解和感性认识。(1, face image downloaded from the Internet, the construction of the training and test database face database, using K-L transform features face extraction, and realize the face recognition. Through k-l transform in face recognition application, deepen the understanding of the content of study and perceptual knowledge.)

说明：  求解最短路问题，求解图论中任意两点间最短距离(Solving the Shortest Path Problem)

基于matlab计算洛伦兹-朱德模型的matlab源代码，只需运行程序代码选择金属名称和模型类型即可自动输出不同频率下的介电常数值，非常方便(Based on the calculation of the Lorentz matlab- Zhu model matlab source code, simply run the program code to select the name and model type of metal can be automatically output dielectric constant values ​ ​ for different frequencies, very convenient)

基于MATLAB的(二维、三维)相机标定（说明书+图片+源程序）(MATLAB-based (two-dimensional, three-dimensional) camera calibration (description+ image+ source code))

基于最小均方误差的方法LMMMSE，对信道参数进行估计。(MMSE-based method LMMMSE, on the estimated channel parameters.)

2d fdtd pec with gaussian source

point detect introduction and implement the concept recommended

利用改进的jack模型来仿真瑞利衰落信道(The improved jack model to simulate the Rayleigh fading channel)

能够进行简单的字母识别，基于matlab实现(Can be a simple letter recognition, based on matlab implementation)